ARM: defconfig: select the right SX150X driver

The SX150X GPIO expander has been moved to pin control and
its Kconfig symbol has been renamed. We used to have a paper-over
thing in Kconfig but it was causing circular dependencies so
I have had to kill it off. Select the right driver instead.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm/configs/lpc32xx_defconfig

@@ -108,11 +108,11 @@ CONFIG_GPIO_MAX7300=y
 CONFIG_GPIO_MAX732X=y
 CONFIG_GPIO_PCA953X=y
 CONFIG_GPIO_PCF857X=y
-CONFIG_GPIO_SX150X=y
 CONFIG_GPIO_74X164=y
 CONFIG_GPIO_MAX7301=y
 CONFIG_GPIO_MC33880=y
 CONFIG_PINCTRL_MCP23S08=y
+CONFIG_PINCTRL_SX150X=y
 CONFIG_SENSORS_DS620=y
 CONFIG_SENSORS_MAX6639=y
 CONFIG_WATCHDOG=y